ES2091781T3 - METHOD FOR MONITORING AN ELECTRIC ARC OVEN AND CONTROL METHOD IN THE PRODUCTION LINE. - Google Patents

METHOD FOR MONITORING AN ELECTRIC ARC OVEN AND CONTROL METHOD IN THE PRODUCTION LINE.

Info

Publication number
ES2091781T3
ES2091781T3 ES90116235T ES90116235T ES2091781T3 ES 2091781 T3 ES2091781 T3 ES 2091781T3 ES 90116235 T ES90116235 T ES 90116235T ES 90116235 T ES90116235 T ES 90116235T ES 2091781 T3 ES2091781 T3 ES 2091781T3
Authority
ES
Spain
Prior art keywords
data
sub
control
time
electric arc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES90116235T
Other languages
Spanish (es)
Inventor
George Gulden Jr
Kenneth Walter Penkal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Graftech Technology LLC
Original Assignee
Ucar Carbon Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ucar Carbon Technology Corp filed Critical Ucar Carbon Technology Corp
Application granted granted Critical
Publication of ES2091781T3 publication Critical patent/ES2091781T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/144—Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
    • H05B7/148—Automatic control of power
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/058—Safety, monitoring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
  • Programmable Controllers (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Discharge Heating (AREA)

Abstract

UN METODO DE OBSERVACION EN LINEA Y/O CONTROL DE UN HORNO DE ARCO ELECTRICO, UTILIZANDO UN METODO DE TRANSFERENCIA DE DATOS ENTRE UN CONTROLADOR LOGICO PROGRAMABLE Y UN MICROORDENADOR, QUE COMPRENDE EL CONTROL DE DATOS DEL HORNO DURANTE UN CICLO DE TIEMPO FIJO, ASIGNANDO VALORES DE DATOS A LOS DATOS CONTROLADOS DURANTE TAL CICLO DE TIEMPO, DIVIDIENDO EL CICLO DE TIEMPO FIJO EN UN MULTIPLE DE SUB-INTERVALOS DE TIEMPO N, DISPONIENDO LOS VALORES DE DATOS EN SUBCONJUNTOS DE DATOS, Y ASIGNANDO CADA UNO DE LOS SUBCONJUNTOS DE DATOS A UN SUB-INTERVALO DE TIEMPO DESIGNADO, TRANSMITIENDO DATOS AL MICROORDENADOR EN CADA SUB-INTERVALO DE TIEMPO PARA EJECUTAR EL CODIGO DE PROGRAMA CORRESPONDIENTE AL SUBCONJUNTO DE DATOS EN TAL SUB-INTERVALO DE TIEMPO Y CALCULANDO LOS FACTORES DE CONTROL DE LOS DATOS TRANSMITIDOS PARA PROPORCIONAR INFORMACION DE CONTROL.A METHOD OF ONLINE OBSERVATION AND / OR CONTROL OF AN ELECTRIC ARC FURNACE, USING A DATA TRANSFER METHOD BETWEEN A PROGRAMMABLE LOGIC CONTROLLER AND A MICROCOMPUTER, WHICH INCLUDES THE CONTROL OF THE FURNACE DURING A FIXED TIME CYCLE, ASSIGNING VALUES FROM DATA TO CONTROLLED DATA DURING SUCH A TIME CYCLE, DIVIDING THE FIXED TIME CYCLE INTO A MULTIPLE OF SUB-INTERVALS OF TIME N, DISPOSING THE VALUES OF DATA IN SUB-SETS OF DATA, AND ASSIGNING EACH OF THE SUB-SUBJECTS DESIGNATED TIME SUB-INTERVAL, TRANSMITTING DATA TO THE MICRO-COMPUTER IN EACH TIME SUB-INTERVAL TO EXECUTE THE PROGRAM CODE CORRESPONDING TO THE SUB-ASSEMBLY OF DATA IN SUCH TIME SUB-INTERVAL TO PROVIDE CONTROL DATA FACTORS CONTROL.

ES90116235T 1989-08-28 1990-08-24 METHOD FOR MONITORING AN ELECTRIC ARC OVEN AND CONTROL METHOD IN THE PRODUCTION LINE. Expired - Lifetime ES2091781T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/398,968 US5099438A (en) 1989-08-28 1989-08-28 Method for on-line monitoring and control of the performance of an electric arc furnace

Publications (1)

Publication Number Publication Date
ES2091781T3 true ES2091781T3 (en) 1996-11-16

Family

ID=23577560

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90116235T Expired - Lifetime ES2091781T3 (en) 1989-08-28 1990-08-24 METHOD FOR MONITORING AN ELECTRIC ARC OVEN AND CONTROL METHOD IN THE PRODUCTION LINE.

Country Status (7)

Country Link
US (1) US5099438A (en)
EP (1) EP0415280B1 (en)
BR (1) BR9004217A (en)
CA (1) CA2024089C (en)
DE (1) DE69028672T2 (en)
ES (1) ES2091781T3 (en)
MX (1) MX173154B (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236080B4 (en) * 1992-10-26 2004-10-21 Siemens Ag Method of operating an arc furnace
ES2074393B1 (en) * 1992-11-03 1997-07-01 Acenor I & D S A IMPROVEMENTS INTRODUCED IN THE CONTROL AND REGULATION SYSTEM OF ELECTRIC ARC OVENS.
US5539768A (en) * 1995-03-21 1996-07-23 Ltv Steel Company, Inc. Electric arc furnace electrode consumption analyzer
US5930284A (en) * 1997-01-15 1999-07-27 Sandia Corporation Multiple input electrode gap controller
IT1295728B1 (en) * 1997-07-31 1999-05-27 Automation Spa Centro POWER CONTROL PROCEDURE FOR ELECTRIC ARC OVEN
US6772077B1 (en) * 1998-08-10 2004-08-03 Hendry Mechanical Works Electric arc monitoring systems
US6115404A (en) * 1999-02-03 2000-09-05 Sandia Corporation Dynamic control of remelting processes
KR20030023615A (en) * 2000-03-17 2003-03-19 스페셜티 미네랄스 (미시간) 인코포레이티드 Process and apparatus for automatically controlling slag foaming
US6804582B1 (en) 2000-09-25 2004-10-12 Ucar Carbon Company Inc. Digital electrode observation
CN100449243C (en) * 2002-11-19 2009-01-07 株洲硬质合金集团有限公司 Control method of vertical smelting furnace simulation monitoring system
US6969416B2 (en) * 2003-04-01 2005-11-29 American Air Liquide, Inc. Method for controlling slag characteristics in an electric arc furnace
ITUD20030231A1 (en) * 2003-11-27 2005-05-28 Danieli Off Mecc PRE-HEATING PROCEDURE, PROCESSING AND MERGER OF A METAL CHARGE AND ITS INSTALLATION.
US20050154611A1 (en) * 2004-01-13 2005-07-14 Sgl Carbon, Ag Product support method for industrial processes
US7386369B1 (en) 2004-08-09 2008-06-10 Graftech International Holdings Inc. Digital electrode observation
US7991039B2 (en) * 2004-11-30 2011-08-02 Graftech International Holdings Inc. Electric arc furnace monitoring system and method
DE102006044837A1 (en) * 2006-09-22 2008-04-03 Siemens Ag Device for controlling an electric arc furnace
CN101514971B (en) * 2009-03-24 2012-05-23 南京林业大学 Floor water content on-line testing device and testing method
DE102010042781A1 (en) * 2010-10-21 2012-04-26 Ald Vacuum Technologies Gmbh Apparatus and method for filtering utility network noise from an electrode signal in a metallurgical electrofusion process
WO2013070690A1 (en) * 2011-11-07 2013-05-16 Graftech International Holdings Inc. Electrode consumption monitoring system
EP2883419B1 (en) * 2012-08-09 2017-03-08 Graftech International Holdings Inc. Electrode consumption monitoring system
CN104048517B (en) * 2014-06-26 2015-08-05 大连华锐重工集团股份有限公司 A kind of mid-carbon fe-mn electric refining furnaces electric control system
CN109634235A (en) * 2018-12-11 2019-04-16 成都航天科工大数据研究院有限公司 A kind of energy consumption analysis method based on smelting furnace management
US11678412B1 (en) 2019-03-04 2023-06-13 AMI International, S. De R.L. De C.V Method for determining electrode consumption with machine vision
CN114220531A (en) * 2021-09-18 2022-03-22 散裂中子源科学中心 Method for assisting decision of interlocking protection system
CN114593663B (en) * 2022-02-23 2023-10-03 本钢板材股份有限公司 A method for measuring the thickness of refining LF slag based on the secondary current model
CN115619101B (en) * 2022-11-09 2023-03-17 北京科技大学 Electric arc furnace steelmaking energy efficiency evaluation method
WO2026074310A1 (en) * 2024-10-03 2026-04-09 Arcelormittal Method for monitoring the operation of an electric arc furnace, associated electronic monitoring device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2012438B2 (en) * 1969-03-17 1976-09-30 Daido Seiko KX., Nagoya, Aichi (Japan) METHOD OF CONTROLLING THE MELTING PROCESS IN A STEEL MAKING ARC FURNACE
CH577253A5 (en) * 1974-05-17 1976-06-30 Ibm
US4296269A (en) * 1977-06-29 1981-10-20 National Institute For Metallurgy Control of electrical arc furnaces
DE3000996A1 (en) * 1980-01-12 1981-07-23 Mannesmann AG, 4000 Düsseldorf Control system for arc furnace - has flicker monitor reducing or increasing secondary volts of transformer according to result of comparison
US4578795A (en) * 1982-12-28 1986-03-25 The United States Of America As Represented By The United States Department Of Energy Drop short control of electrode gap
JPS60138384A (en) * 1983-12-23 1985-07-23 大同特殊鋼株式会社 Arc furnace control method
US4517468A (en) * 1984-04-30 1985-05-14 Westinghouse Electric Corp. Diagnostic system and method
JPS62270712A (en) * 1986-05-20 1987-11-25 Nippon Kokan Kk <Nkk> System for detecting condition of blast furnace
US5038318A (en) * 1987-12-17 1991-08-06 Square D Company Device for communicating real time data between a programmable logic controller and a program operating in a central controller

Also Published As

Publication number Publication date
US5099438A (en) 1992-03-24
EP0415280A2 (en) 1991-03-06
MX173154B (en) 1994-02-02
CA2024089C (en) 1995-11-21
EP0415280A3 (en) 1992-11-25
DE69028672T2 (en) 1997-02-27
BR9004217A (en) 1992-01-14
CA2024089A1 (en) 1991-03-01
DE69028672D1 (en) 1996-10-31
EP0415280B1 (en) 1996-09-25

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